<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 传统面向对象 继承
        class MovieCollection extends Array {
            constructor(name,...items) { // ... reset运算符
                super(...items);  // 调用父类的构造函数
                this.name = name;
            }
            add(movie) {
                this.push(movie);
            }
            topRated(limit = 10) {  // 默认值
                return this.sort((a,b) => a.stars - b.stars);
                // return this.filter(movie => movie.stars>7);
            }
        }

        const movies = new MovieCollection('Wes\'s Fav Movies',
            { name:'Bee Movie', stars:8 },
            { name:'Star Wars Trek', stars:1 },
            { name:'Virgin Suicides', stars:7 },
            { name:'King Of the Road', stars:8 },
        );
        movies.add({name:'战狼',stars:9});
        console.log(movies.topRated());
    </script>
</body>
</html>